Kraus Al
Insider
First SEC filing: July 10, 2006 · Latest: July 10, 2006
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 6, 2023 | CTSO | M | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 6, 2023 | CTSO | M | 12,000 | $2.65 | $31,800 | 142,046 Direct | +9.23% | Acquired | -92.4% (price as of 2026-10-05) |
| Aug. 10, 2022 | CTSO | A | 37,950 | · | · | 37,950 Direct | · | Acquired | (price as of 2026-10-05) |
| May 6, 2022 | CTSO | P | 5,000 | $1.96 | $9,800 | 130,046 Direct | +4.00% | Acquired | -89.7% (price as of 2026-10-05) |
| Aug. 31, 2021 | CTSO | M | 4,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 31, 2021 | CTSO | S | 4,000 | $9.40 | $37,600 | 125,046 Direct | -3.10% | Disposed | -97.8% (price as of 2026-10-05) |
| Aug. 31, 2021 | CTSO | M | 4,000 | $4.12 | $16,480 | 129,046 Direct | +3.20% | Acquired | -95.1% (price as of 2026-10-05) |
| April 12, 2021 | CTSO | A | 34,500 | · | · | 34,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 10, 2020 | CTSO | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 10, 2020 | CTSO | S | 8,000 | $8.00 | $64,000 | 125,046 Direct | -6.01% | Disposed | -97.5% (price as of 2026-10-05) |
| Nov. 10, 2020 | CTSO | M | 8,000 | $3.45 | $27,600 | 133,046 Direct | +6.40% | Acquired | -94.1% (price as of 2026-10-05) |
| Feb. 28, 2020 | CTSO | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| July 22, 2019 | CTSO | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 30, 2018 | CTSO | M | 18,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 30, 2018 | CTSO | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 30, 2018 | CTSO | S | 26,000 | $14.47 | $376,220 | 125,046 Direct | -17.21% | Disposed | -98.6% (price as of 2026-10-05) |
| Aug. 30, 2018 | CTSO | M | 18,000 | $4.20 | $75,600 | 151,046 Direct | +13.53% | Acquired | -95.2% (price as of 2026-10-05) |
| Aug. 30, 2018 | CTSO | M | 8,000 | $2.10 | $16,800 | 133,046 Direct | +6.40% | Acquired | -90.4% (price as of 2026-10-05) |
| March 15, 2018 | CTSO | A | 28,875 | · | · | 28,875 Direct | · | Acquired | (price as of 2026-10-05) |
| March 15, 2018 | CTSO | A | 3,300 | · | · | 125,046 Direct | +2.71% | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2017 | CTSO | A | 27,500 | · | · | 27,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2017 | CTSO | A | 6,000 | · | · | 121,746 Direct | +5.18% | Acquired | (price as of 2026-10-05) |
| June 7, 2016 | CTSO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 7, 2016 | CTSO | A | 5,000 | · | · | 60,746 Direct | +8.97% | Acquired | (price as of 2026-10-05) |
| Oct. 15, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Oct. 15, 2015 | CTSO | S 10b5-1 | 6,774 | $6.22 | $42,134 | 55,746 Direct | -10.83% | Disposed | -96.7% (price as of 2026-10-05) |
| Oct. 15, 2015 | CTSO | M 10b5-1 | 6,774 | $0.88 | $5,961 | 62,520 Direct | +12.15% | Acquired | -77.0% (price as of 2026-10-05) |
| Oct. 8, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 6,774 Direct | -59.62% | Disposed | (price as of 2026-10-05) |
| Oct. 8, 2015 | CTSO | S 10b5-1 | 10,000 | $6.39 | $63,900 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| Oct. 8, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Oct. 1, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 26,773 Direct | -27.19% | Disposed | (price as of 2026-10-05) |
| Oct. 1, 2015 | CTSO | S 10b5-1 | 10,000 | $6.26 | $62,600 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| Oct. 1, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Sept. 24, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 36,773 Direct | -21.38% | Disposed | (price as of 2026-10-05) |
| Sept. 24, 2015 | CTSO | S 10b5-1 | 10,000 | $6.44 | $64,400 | 55,746 Direct | -15.21% | Disposed | -96.9% (price as of 2026-10-05) |
| Sept. 24, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Sept. 17, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 46,773 Direct | -17.61% | Disposed | (price as of 2026-10-05) |
| Sept. 17, 2015 | CTSO | S 10b5-1 | 10,000 | $6.64 | $66,400 | 55,746 Direct | -15.21% | Disposed | -97.0% (price as of 2026-10-05) |
| Sept. 17, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Sept. 10, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 56,773 Direct | -14.98% | Disposed | (price as of 2026-10-05) |
| Sept. 10, 2015 | CTSO | S 10b5-1 | 10,000 | $7.26 | $72,600 | 55,746 Direct | -15.21% | Disposed | -97.2% (price as of 2026-10-05) |
| Sept. 10, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Sept. 3, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 66,773 Direct | -13.03% | Disposed | (price as of 2026-10-05) |
| Sept. 3, 2015 | CTSO | S 10b5-1 | 10,000 | $7.26 | $72,600 | 55,746 Direct | -15.21% | Disposed | -97.2% (price as of 2026-10-05) |
| Sept. 3, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Aug. 27, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 76,773 Direct | -11.52% | Disposed | (price as of 2026-10-05) |
| Aug. 27, 2015 | CTSO | S 10b5-1 | 10,000 | $6.39 | $63,900 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| Aug. 27, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Aug. 20, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 86,773 Direct | -10.33% | Disposed | (price as of 2026-10-05) |
| Aug. 20, 2015 | CTSO | S 10b5-1 | 10,000 | $7.26 | $72,600 | 55,746 Direct | -15.21% | Disposed | -97.2% (price as of 2026-10-05) |
| Aug. 20, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Aug. 13, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 96,773 Direct | -9.37% | Disposed | (price as of 2026-10-05) |
| Aug. 13, 2015 | CTSO | S 10b5-1 | 10,000 | $6.26 | $62,600 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| Aug. 13, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| Aug. 6, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 106,773 Direct | -8.56% | Disposed | (price as of 2026-10-05) |
| Aug. 6, 2015 | CTSO | S 10b5-1 | 10,000 | $6.48 | $64,800 | 55,746 Direct | -15.21% | Disposed | -96.9% (price as of 2026-10-05) |
| Aug. 6, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| July 30, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 116,773 Direct | -7.89% | Disposed | (price as of 2026-10-05) |
| July 30, 2015 | CTSO | S 10b5-1 | 10,000 | $6.34 | $63,400 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| July 30, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| July 23, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 126,773 Direct | -7.31% | Disposed | (price as of 2026-10-05) |
| July 23, 2015 | CTSO | S 10b5-1 | 10,000 | $6.28 | $62,800 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| July 23, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| July 16, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 136,773 Direct | -6.81% | Disposed | (price as of 2026-10-05) |
| July 16, 2015 | CTSO | S 10b5-1 | 10,000 | $6.33 | $63,300 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| July 16, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| July 9, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 146,773 Direct | -6.38% | Disposed | (price as of 2026-10-05) |
| July 9, 2015 | CTSO | S 10b5-1 | 10,000 | $5.98 | $59,800 | 55,746 Direct | -15.21% | Disposed | -96.6% (price as of 2026-10-05) |
| July 9, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| July 2, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 156,773 Direct | -6.00% | Disposed | (price as of 2026-10-05) |
| July 2, 2015 | CTSO | S 10b5-1 | 10,000 | $6.29 | $62,900 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| July 2, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| June 25, 2015 | CTSO | S 10b5-1 | 10,000 | $7.43 | $74,300 | 55,746 Direct | -15.21% | Disposed | -97.3% (price as of 2026-10-05) |
| June 25, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| June 24, 2015 | CTSO | M 10b5-1 | 3,205 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 24, 2015 | CTSO | S 10b5-1 | 3,205 | $7.00 | $22,435 | 55,746 Direct | -5.44% | Disposed | -97.1% (price as of 2026-10-05) |
| June 24, 2015 | CTSO | M 10b5-1 | 3,205 | $5.50 | $17,628 | 58,746 Direct | +5.77% | Acquired | -96.3% (price as of 2026-10-05) |
| June 18, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 166,773 Direct | -5.66% | Disposed | (price as of 2026-10-05) |
| June 18, 2015 | CTSO | S 10b5-1 | 10,000 | $5.78 | $57,800 | 55,746 Direct | -15.21% | Disposed | -96.5% (price as of 2026-10-05) |
| June 18, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| June 15, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 166,773 Direct | -5.66% | Disposed | (price as of 2026-10-05) |
| June 11, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 176,773 Direct | -5.35% | Disposed | (price as of 2026-10-05) |
| June 11, 2015 | CTSO | S 10b5-1 | 10,000 | $6.29 | $62,900 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| June 11, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| June 4, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 186,773 Direct | -5.08% | Disposed | (price as of 2026-10-05) |
| June 4, 2015 | CTSO | S 10b5-1 | 10,000 | $6.30 | $63,000 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| June 4, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| May 28, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 196,773 Direct | -4.84% | Disposed | (price as of 2026-10-05) |
| May 28, 2015 | CTSO | S 10b5-1 | 10,000 | $6.32 | $63,200 | 55,746 Direct | -15.21% | Disposed | -96.8% (price as of 2026-10-05) |
| May 28, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| May 21, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 206,773 Direct | -4.61% | Disposed | (price as of 2026-10-05) |
| May 21, 2015 | CTSO | S 10b5-1 | 10,000 | $6.08 | $60,800 | 55,746 Direct | -15.21% | Disposed | -96.7% (price as of 2026-10-05) |
| May 21, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| May 14, 2015 | CTSO | M 10b5-1 | 10,000 | · | · | 216,773 Direct | -4.41% | Disposed | (price as of 2026-10-05) |
| May 14, 2015 | CTSO | S 10b5-1 | 10,000 | $6.00 | $60,000 | 55,746 Direct | -15.21% | Disposed | -96.6% (price as of 2026-10-05) |
| May 14, 2015 | CTSO | M 10b5-1 | 10,000 | $0.88 | $8,800 | 65,746 Direct | +17.94% | Acquired | -77.0% (price as of 2026-10-05) |
| April 8, 2015 | CTSO | A | 12,000 | · | · | 12,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 8, 2015 | CTSO | A | 55,000 | · | · | 55,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 17, 2014 | CTSO | M 10b5-1 | 50,000 | · | · | 5,669,328 Direct | -0.87% | Disposed | (price as of 2026-10-05) |
| Nov. 17, 2014 | CTSO | S 10b5-1 | 50,000 | $0.23 | $11,500 | 1,393,631 Direct | -3.46% | Disposed | -96.5% (price as of 2026-10-05) |
Showing latest 100 of 185 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 6, 2023 | CTSO | Stock Option (right to buy) | Common Stock | $2.65 | Feb. 6, 2023 | 12,000 | Disposed |
| Aug. 10, 2022 | CTSO | Stock Option (right to buy) | Common Stock | $1.95 | Aug. 10, 2032 | 37,950 | Acquired |
| Aug. 31, 2021 | CTSO | Stock Option (right to buy) | Common Stock | $4.12 | Jan. 18, 2022 | 4,000 | Disposed |
| April 12, 2021 | CTSO | Stock Option (right to buy) | Common Stock | $8.99 | April 12, 2031 | 34,500 | Acquired |
| Nov. 10, 2020 | CTSO | Stock Option (right to buy) | Common Stock | $3.45 | Jan. 6, 2021 | 8,000 | Disposed |
| Feb. 28, 2020 | CTSO | Stock Option (right to buy) | Common Stock | $6.03 | Feb. 28, 2030 | 30,000 | Acquired |
| July 22, 2019 | CTSO | Stock Option (right to buy) | Common Stock | $7.33 | July 22, 2029 | 30,000 | Acquired |
| Aug. 30, 2018 | CTSO | Stock Option (right to buy) | Common Stock | $4.20 | Jan. 28, 2019 | 18,000 | Disposed |
| Aug. 30, 2018 | CTSO | Stock Option (right to buy) | Common Stock | $2.10 | Jan. 8, 2019 | 8,000 | Disposed |
| March 15, 2018 | CTSO | Stock Option (right to buy) | Common Stock | $7.90 | March 15, 2028 | 28,875 | Acquired |
| Feb. 24, 2017 | CTSO | Stock Option (right to buy) | Common Stock | $5.60 | Feb. 24, 2027 | 27,500 | Acquired |
| June 7, 2016 | CTSO | Stock Option (right to buy) | Common Stock | $4.69 | June 7, 2026 | 24,000 | Acquired |
| Oct. 15, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Oct. 8, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Oct. 1, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Sept. 24, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Sept. 17, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Sept. 10, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Sept. 3, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Aug. 27, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Aug. 20, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Aug. 13, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| Aug. 6, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| July 30, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| July 23, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| July 16, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| July 9, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| July 2, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| June 24, 2015 | CTSO | Stock Option | Common Stock | $5.50 | Dec. 31, 2017 | 3,205 | Disposed |
| June 18, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| June 15, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| June 11, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| June 4, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| May 28, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| May 21, 2015 | CTSO | Stock Option | Common Stock | $0.88 | June 25, 2018 | 10,000 | Disposed |
| May 14, 2015 | CTSO | Stock Option | Common Stock | · | June 25, 2018 | 10,000 | Disposed |
| April 8, 2015 | CTSO | Stock Option (right to buy) | Common Stock | $8.07 | April 8, 2025 | 12,000 | Acquired |
| Nov. 17, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Nov. 10, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Nov. 3, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Oct. 27, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 100,000 | Disposed |
| Oct. 20, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 100,000 | Disposed |
| Oct. 14, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Oct. 6, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Sept. 29, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Sept. 25, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 41,500 | Disposed |
| Sept. 22, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 8,500 | Disposed |
| Sept. 15, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Sept. 8, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Sept. 2, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| Aug. 25, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 100,000 | Disposed |
| Aug. 18, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 100,000 | Disposed |
| Aug. 11, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 100,000 | Disposed |
| Aug. 4, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| July 28, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 100,000 | Disposed |
| July 21, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| July 14, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| July 10, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| July 7, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| June 30, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| June 23, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| June 18, 2014 | CTSO | Stock Option | Common Stock | $0.04 | June 25, 2018 | 50,000 | Disposed |
| March 28, 2014 | CTSO | Stock Option | Common Stock | $0.20 | March 28, 2024 | 300,000 | Acquired |
| April 4, 2013 | CTSO | Stock Option | Common Stock | $0.11 | April 4, 2023 | 300,000 | Acquired |
| Feb. 6, 2013 | CTSO | Stock Option | Common Stock | $0.11 | Feb. 6, 2023 | 300,000 | Acquired |
| Jan. 18, 2012 | CTSO | Stock Option | Common Stock | $0.16 | Jan. 18, 2022 | 100,000 | Acquired |
| Jan. 21, 2011 | CTSO | Stock Option | Common Stock | $0.14 | Jan. 21, 2021 | 200,000 | Acquired |
| Dec. 31, 2009 | CTSO | Stock Option | Common Stock | $0.17 | Dec. 31, 2019 | 100,000 | Acquired |
| Jan. 28, 2009 | CTSO | Stock Option | Common Stock | $0.17 | Jan. 28, 2019 | 450,000 | Acquired |
| Jan. 8, 2009 | CTSO | Stock Option | Common Stock | $0.08 | Jan. 8, 2019 | 200,000 | Acquired |
| June 25, 2008 | CTSO | Stock Option (Right to Buy) | Common Stock | $0.04 | June 25, 2018 | 7,119,328 | Acquired |
| Dec. 31, 2007 | CTSO | Stock Option (Right to Buy) | Common Stock | $0.22 | Dec. 31, 2017 | 80,122 | Acquired |
| Feb. 8, 2007 | CTSO | Stock Option (Right to Buy) | Common Stock | $1.26 | Feb. 8, 2017 | 400,000 | Acquired |
| Feb. 8, 2007 | CTSO | Stock Option (Right to Buy) | Common Stock | $1.26 | Feb. 8, 2017 | 400,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.